choosen – MYSYNTAX: VBA

What is the syntax to return the index of the a listbox’s selected value?

#'i' is an integer variable that holds the index
 For i = 0 To <list box name>.ListCount - 1
     If <list box name>.Selected(i) = True Then Exit For
 Next i

#example
 For i = 0 To lstGuestList.ListCount - 1
     If lstGuestList.Selected(i) = True Then Exit For
 Next i